22102300212 has 24 divisors (see below), whose sum is σ = 51632095200. Its totient is φ = 7358853216.

The previous prime is 22102300211. The next prime is 22102300247. The reversal of 22102300212 is 21200320122.

It is a happy number.

It is a super-2 number, since 2×22102300212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22102300191 and 22102300200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102300211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061787 + ... + 1082402.

It is an arithmetic number, because the mean of its divisors is an integer number (2151337300).

Almost surely, 2^22102300212 is an apocalyptic number.

It is an amenable number.

22102300212 is an abundant number, since it is smaller than the sum of its proper divisors (29529794988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22102300212 is a wasteful number, since it uses less digits than its factorization.

22102300212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145055 (or 2145053 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22102300212 its reverse (21200320122), we get a palindrome (43302620334).

The spelling of 22102300212 in words is "twenty-two billion, one hundred two million, three hundred thousand, two hundred twelve".